Debenture bond
信用债券，无担保债券
🧩 词语组成解析
🗣️ 情景例句
My instructor thought that the beginner's class was too easy for me.
老师认为初级课程对我来说太容易了。
There is no friend so faithful as a good book.
最忠实的朋友莫过于一本好书。
Perhaps we van make it later.
那么，也许改天吧。